87C31X2 Datasheet (NXP) - 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V/ low power/ high speed 30/33 MHz

87C31X2, 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V/ low power/ high speed 30/33 MHz

The Philips microcontrollers described in this data sheet are high-performance static 80C51 designs incorporating Philips’ high-density CMOS technology with operation from 2.7 V to 5.5 V.

They support both 6-clock and 12-clock operation.

The 8xC31X2/51X2 and 8xC32X2/52X2/54X2/58X2 contain 128 byte R

87C31X2 Features

* 80C51 Central Processing Unit

* 4 kbytes ROM/EPROM (80/87C51X2)

* 8 kbytes ROM/EPROM (80/87C52X2)

* 16 kbytes ROM/EPROM (80/87C54X2)

* 32 kbytes ROM/EPROM (80/87C58X2)

* 128 byte RAM (80/87C51X2 and 80C31X2)

* 256 byte RAM (80/87C52/54X2/58X